2012 BMW 640 review
See also:
Automatic deactivation of the front
passenger airbags
The system determines whether the front passenger
seat is occupied by measuring the resistance
of the human body.
The front, knee, and side airbag on the front
passenger side are activated or d ...
Switching on
The cooler can be operated at two levels.
1. Switch on the ignition.
2. Press the button once for
each cooling
level.
The highest cooling power is active when
two LEDs are lit.
If the coole ...
Coolant
General information
Danger of burns from hot engine
Do not open the cooling system while the
engine is hot; otherwise, escaping coolant may
cause burns.
Suitable additives
Only use suitable ...
